222110220011021 has 4 divisors (see below), whose sum is σ = 222110259560352. Its totient is φ = 222110180461692.

The previous prime is 222110220010999. The next prime is 222110220011059. The reversal of 222110220011021 is 120110022011222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222110220011021 is a prime.

It is a super-2 number, since 2×222110220011021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110220071021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9608465 + ... + 23163398.

It is an arithmetic number, because the mean of its divisors is an integer number (55527564890088).

Almost surely, 2^{222110220011021} is an apocalyptic number.

It is an amenable number.

222110220011021 is a deficient number, since it is larger than the sum of its proper divisors (39549331).

222110220011021 is an equidigital number, since it uses as much as digits as its factorization.

222110220011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39549330.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222110220011021 its reverse (120110022011222), we get a palindrome (342220242022243).

The spelling of 222110220011021 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred twenty million, eleven thousand, twenty-one".